.slide {
  width: 100%;
  max-height: 65rem;
  background: url("../../image/airlauncher-bg-1.jpg") center center no-repeat;
  background-size: cover;
  overflow: hidden;
}
.slide .slideitem {
  width: 100%;
  font-size: 5rem;
  color: #fff;
  text-align: center;
  padding-top: 10%;
}
.slide .itemmessg {
  width: 50%;
  position: absolute;
  top: 25%;
  left: 18%;
}
.slide .itemmessg h3 {
  font-size: 6.7rem;
  font-weight: bold;
  color: #fff;
}
.slide .itemmessg p {
  font-size: 1.9rem;
  color: #fff;
}
.slide .itemmessg span {
  display: block;
  width: 18rem;
  height: 12rem;
  margin-top: 6rem;
  background: url('http://www.ihandygroup.com/images/google-dark.png') center center no-repeat;
  background-size: 100%;
}
.slide img {
  max-height: 80.6rem;
  max-width: 100.6rem;
  float: right;
  margin-top: -10rem;
}
.slide .clickbtn {
  width: 100%;
  text-align: center;
}
.slide .clickbtn .btnlist {
  line-height: 4rem;
  width: 18rem;
  padding: 0.5rem 1rem;
  display: inline-block;
  border: 2px solid #fff;
  text-align: center;
  font-size: 13px;
  color: #fff;
  margin-top: 3.5%;
  margin-right: 2%;
}
#contentitem {
  width: 95%;
  margin: 15rem auto;
}
#contentitem .hdnav {
  width: 100%;
  display: flex;
}
#contentitem .hdnav .hditem {
  flex: 1;
  text-align: center;
}
#contentitem .hdnav .hditem img {
  width: 4.8rem;
  height: 7.8rem;
  display: block;
  margin: 0 auto;
}
#contentitem .hdnav .hditem h3 {
  font-size: 2.2rem;
  color: #221815;
}
#contentitem .hdnav .hditem p {
  font-size: 12px;
}
#productlist {
  width: 95%;
  box-sizing: border-box;
  margin: 80px auto;
  overflow: hidden;
}
#productlist:last-child {
  padding-bottom: 183px;
}
#productlist .left {
  width: 48%;
  height: 610px;
  float: left;
  box-sizing: border-box;
  padding: 51px 0 200px 0;
}
#productlist .left p {
  width: 180px;
  line-height: 42px;
  height: 42px;
  color: black;
  border: 2px solid black;
  margin: 3.5% auto;
  text-align: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  opacity: 0.65;
  transition: opacity 0.5s;
}
#productlist .left p:hover {
  opacity: 1;
}
#productlist .left img {
  width: 70px;
  display: block;
  margin-top: 20px;
  margin-left: 30px;
  /*margin:0 auto;*/
}
#productlist .left h4 {
  letter-spacing: 1.4px;
  color: black;
  padding: 20px 30px;
  font-family: AvenirLTStdLight;
  font-size: 48px;
}
#productlist .left h5 {
  color: black;
  opacity: 0.9;
  font-family: AvenirLTStdLight;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: -0.2px;
  padding: 36px 30px;
  line-height: 30px;
}
#productlist .right {
  width: 48%;
  height: 45rem;
  float: right;
  box-sizing: border-box;
}
#productlist .right img {
  width: 100%;
  height: 45rem;
  display: block;
}
.itemadd {
  width: 95%;
  height: 45rem;
  background: url('http://www.ihandygroup.com/images/product_airlauncher/airlauncher-element-5.png') center 5.5rem no-repeat;
  background-size: 90%;
  text-align: center;
}
.itemadd h3 {
  font-size: 4.5rem;
}
.itemadd p {
  font-size: 1.5rem;
}
